/Engine/Source/Runtime/Core/Public/Serialization/MemoryImage.h
Moves the state of another allocator into this one. Assumes that the allocator is currently empty, i.e. memory may be allocated but any existing elements have already been destructed (if necessary).
void MoveToEmpty ( [FMemoryImageAllocatorBase](API\Runtime\Core\Serialization\FMemoryImageAllocatorBase) & Other )